JP2018510514A - 窒化物系半導体発光素子及びその製造方法 - Google Patents
窒化物系半導体発光素子及びその製造方法 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 205
- 150000004767 nitrides Chemical class 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims description 32
- 239000012535 impurity Substances 0.000 claims description 8
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 230000006798 recombination Effects 0.000 abstract description 8
- 238000005215 recombination Methods 0.000 abstract description 8
- 230000015556 catabolic process Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract description 4
- 238000012546 transfer Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 199
- 230000007547 defect Effects 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 229910052594 sapphire Inorganic materials 0.000 description 5
- 239000010980 sapphire Substances 0.000 description 5
- 229910002704 AlGaN Inorganic materials 0.000 description 4
- 238000001194 electroluminescence spectrum Methods 0.000 description 4
- 238000000103 photoluminescence spectrum Methods 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910052712 strontium Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/20—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
- H01L33/22—Roughened surfaces, e.g. at the interface between epitaxial layers
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
- H01L33/0062—Processes for devices with an active region comprising only III-V compounds
- H01L33/0066—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound
- H01L33/007—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound comprising nitride compounds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
- H01L33/0062—Processes for devices with an active region comprising only III-V compounds
- H01L33/0075—Processes for devices with an active region comprising only III-V compounds comprising nitride compounds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
- H01L33/32—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Led Devices (AREA)
Abstract
Description
第1実施例
図1は本発明の発光素子の断面構成を示す図であって、基板110;基板110の上部に形成される第1導電性半導体層120、140;第1導電性半導体層120、140の上部に形成される高抵抗半導体層130;高抵抗半導体層130の上部に形成される活性層150;及び活性層150の上部に形成される第2導電性半導体層160;を含んでなり、高抵抗半導体層130と第1導電性半導体層120との隣接面にはVピット(v−pit)構造vを有し、高抵抗半導体層130と活性層150との隣接面は平面構造または緩やかな曲面であることを特徴とする。
図5は本発明の発光素子の断面構成を示す図であって、基板210;基板210の上部に形成される第1導電性半導体層220、240;第1導電性半導体層220、240の上部に形成される高抵抗半導体層230;前記高抵抗半導体層230の上部に形成される活性層250;及び前記活性層250の上部に形成される第2導電性半導体層260;を含んでなり、特に、高抵抗半導体層230と第1導電性半導体層220との隣接面、及び活性層250と第2導電性半導体層260との隣接面にはそれぞれVピット(v−pit)構造v1、v2を有し、高抵抗半導体層230と活性層250との隣接面はVピット構造を含まずに平坦であることを特徴とする。
110、210 基板
120、220 下部の第1導電性半導体層
121、221 電極
130、230 高抵抗半導体層
140、240 上部の第1導電性半導体層
150、250 活性層
160、260 第2導電性半導体層
170、270 透明電極
171、271 ボンディング電極
v、v1、v2 Vピット構造
Claims (13)
- 基板と、
前記基板の上部に形成される第1導電性半導体層と、
前記第1導電性半導体層の上部に形成される高抵抗半導体層と、
前記高抵抗半導体層の上部に形成される活性層と、
前記活性層の上部に形成される第2導電性半導体層とを含んでなり、
前記高抵抗半導体層と前記第1導電性半導体層との隣接面にはVピット(v−pit)構造を有し、前記高抵抗半導体層と前記活性層との隣接面は平面または緩やかな曲面構造であることを特徴とする、窒化物系半導体発光素子。 - 前記高抵抗体半導体層と前記活性層との隣接面はVピット構造を含まずに平坦であることを特徴とする、請求項1に記載の窒化物系半導体発光素子。
- 前記活性層は、前記第2導電性半導体層との隣接面が平面構造であることを特徴とする、請求項1に記載の窒化物系半導体発光素子。
- 基板と、
前記基板の上部に形成される第1導電性半導体層と、
前記第1導電性半導体層の上部に形成される高抵抗半導体層と、
前記高抵抗半導体層の上部に形成される活性層と、
前記活性層の上部に形成される第2導電性半導体層とを含んでなり、
前記高抵抗半導体層と前記第1導電性半導体層との隣接面、及び前記活性層と前記第2導電性半導体層との隣接面にはそれぞれVピット(v−pit)構造を有し、前記高抵抗半導体層と前記活性層との隣接面はVピット構造を含まずに平坦であることを特徴とする、窒化物系半導体発光素子。 - 前記高抵抗半導体層と前記活性層との隣接面は平面または緩やかな曲面構造であることを特徴とする、請求項4に記載の窒化物系半導体発光素子。
- 前記第2導電性半導体層はVピット構造を有することを特徴とする、請求項4に記載の窒化物系半導体発光素子。
- 前記高抵抗半導体層のシリコン不純物濃度が1018/cm3以下であることを特徴とする、請求項1または4に記載の窒化物系半導体発光素子。
- 前記高抵抗半導体層のマグネシウム不純物濃度が1016/cm3以上であることを特徴とする、請求項1または4に記載の窒化物系半導体発光素子。
- 前記高抵抗半導体層の厚さが10nm〜1000nmであることを特徴とする、請求項1または4に記載の窒化物系半導体発光素子。
- 窒化物系半導体発光素子の製造方法であって、
基板の上部に第1導電性半導体層を成長させ、上部の表面にVピット構造を形成する第1段階と、
前記第1導電性半導体層の上部に伝導性の低い物質でVピット構造を平坦化して高抵抗半導体層を形成する第2段階と、
平坦化された高抵抗半導体層の上部に活性層及び第2導電性半導体層を順次形成する第3段階とを含んでなる、窒化物系半導体発光素子の製造方法。 - 窒化物系半導体発光素子の製造方法であって、
基板の上部に第1導電性半導体層を成長させ、上部の表面にVピット構造を形成する第1段階と、
前記第1導電性半導体層の上部に伝導性の低い物質でVピット構造が平坦化されるように高抵抗半導体層を形成する第2段階と、
平坦化された高抵抗半導体層の上部に活性層を形成し、上部の表面にVピット構造を形成する第3段階と、
前記活性層の上部のVピット構造が平坦化されるように第2導電性半導体層を形成する第4段階とを含んでなる、窒化物系半導体発光素子の製造方法。 - 第3段階で平坦化された高抵抗半導体層の上部に第1導電性半導体層を形成した後、前記活性層と前記第2導電性半導体層を形成することを特徴とする、請求項10または11に記載の窒化物系半導体発光素子の製造方法。
- 前記高抵抗半導体層の厚さが10nm〜1000nmであることを特徴とする、請求項10または11に記載の窒化物系半導体発光素子の製造方法。
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KR20150049824 | 2015-04-08 | ||
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KR1020150061242A KR101678524B1 (ko) | 2015-04-30 | 2015-04-30 | 질화물계 반도체 발광소자 및 그 제조방법 |
KR10-2015-0061242 | 2015-04-30 | ||
PCT/KR2015/006689 WO2016163595A1 (ko) | 2015-04-08 | 2015-06-30 | 질화물계 반도체 발광소자 및 그 제조방법 |
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JP (1) | JP2018510514A (ja) |
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WO (1) | WO2016163595A1 (ja) |
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CN113540301B (zh) * | 2021-07-09 | 2022-12-16 | 安徽三安光电有限公司 | 一种发光二极管及其制作方法 |
CN117153974B (zh) * | 2023-10-26 | 2024-02-20 | 江西兆驰半导体有限公司 | 发光二极管外延片及其制备方法、led |
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CN107873109A (zh) | 2018-04-03 |
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